getHierarchyRoot  906 chrome/android/java/src/org/chromium/chrome/browser/ChromeBrowserProvider.java             getHierarchyRoot().writeNodeContentsRecursive(dest);
getHierarchyRoot  104 chrome/android/javatests/src/org/chromium/chrome/browser/test/ProviderBookmarkNodeTest.java         return isSameHierarchyDownwards(h1.getHierarchyRoot(), h2.getHierarchyRoot());